From the LICENSE file [1] to your link: ... This software and associated documen...

From the LICENSE file [1] to your link:

    ...
    This software and associated documentation files (the "Software") may only be
    used if you (and any entity that you represent) have agreed to, and are in
    compliance with, the GitLab Subscription Terms of Service, available at
    https://about.gitlab.com/terms/#subscription (the “EE Terms”), and otherwise
    have a valid GitLab Enterprise Edition subscription for the correct number of
    user seats. ...

[1] https://gitlab.com/gitlab-org/gitlab-ee/blob/master/LICENSE